/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once


#define CPUINFO_COUNT_OF(array) (sizeof(array) / sizeof(0[array]))

#if defined(__GNUC__)
  #define CPUINFO_LIKELY(condition) (__builtin_expect(!!(condition), 1))
  #define CPUINFO_UNLIKELY(condition) (__builtin_expect(!!(condition), 0))
#else
  #define CPUINFO_LIKELY(condition) (!!(condition))
  #define CPUINFO_UNLIKELY(condition) (!!(condition))
#endif

#ifndef CPUINFO_INTERNAL
  #if defined(__ELF__)
    #define CPUINFO_INTERNAL __attribute__((__visibility__("internal")))
  #elif defined(__MACH__)
    #define CPUINFO_INTERNAL __attribute__((__visibility__("hidden")))
  #else
    #define CPUINFO_INTERNAL
  #endif
#endif

#ifndef CPUINFO_PRIVATE
  #if defined(__ELF__)
    #define CPUINFO_PRIVATE __attribute__((__visibility__("hidden")))
  #elif defined(__MACH__)
    #define CPUINFO_PRIVATE __attribute__((__visibility__("hidden")))
  #else
    #define CPUINFO_PRIVATE
  #endif
#endif
